PIERZCHALSKI, Antoni. Quasiconformality of pseudo-conformal transformations and deformations of hypersurfaces in $C^{n+1}$. Mathematica Scandinavica, Berkeley, CA, United States, v. 59, p. 223–234, 1986. DOI: 10.7146/math.scand.a-12163. Disponível em: https://journals.msp.org/mscand/article/view/1510. Acesso em: 25 jul. 2026.